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    41 

    42 /*

    43  * KAsteroids - Copyright (c) Martin R. Jones 1997

    44  *

    45  * Part of the KDE project

    46  */

    47 

    48 #ifndef __AST_VIEW_H__

    49 #define __AST_VIEW_H__

    50 

    51 #include <qwidget.h>

    52 #include <q3ptrlist.h>

    53 #include <q3intdict.h>

    54 #include <qtimer.h>

    55 #include <QGraphicsScene>

    56 #include <QGraphicsView>

    57 //Added by qt3to4:

    58 #include <QTimerEvent>

    59 #include <QShowEvent>

    60 #include <QResizeEvent>

    61 #include "sprites.h"

    62 

    63 #define MAX_POWER_LEVEL          1000

    64 

    65 class KAsteroidsView : public QWidget

    66 {

    67     Q_OBJECT

    68 public:

    69     KAsteroidsView( QWidget *parent = 0, const char *name = 0 );

    70     virtual ~KAsteroidsView();

    71 

    72     int refreshRate;

    73 

    74     void reset();

    75     void setRockSpeed( double rs ) { rockSpeed = rs; }

    76     void addRocks( int num );

    77     void newGame();

    78     void endGame();

    79     void newShip();

    80 

    81     void rotateLeft( bool r ) { rotateL = r; rotateSlow = 5; }

    82     void rotateRight( bool r ) { rotateR = r; rotateSlow = 5; }

    83     void thrust( bool t ) { thrustShip = t && shipPower > 0; }

    84     void shoot( bool s ) { shootShip = s; shootDelay = 0; }

    85     void setShield( bool s );

    86     void teleport( bool te) { teleportShip = te && mTeleportCount; }

    87     void brake( bool b );

    88     void pause( bool p);

    89 

    90     void showText( const QString &text, const QColor &color, bool scroll=TRUE );

    91     void hideText();

    92 

    93     int shots() const { return shotsFired; }

    94     int hits() const { return shotsHit; }

    95     int power() const { return shipPower; }

    96 

    97     int teleportCount() const { return mTeleportCount; }

    98     int brakeCount() const { return mBrakeCount; }

    99     int shieldCount() const { return mShieldCount; }

   100     int shootCount() const { return mShootCount; }

   101 

   102 signals:

   103     void shipKilled();

   104     void rockHit( int size );

   105     void rocksRemoved();

   106     void updateVitals();

   107 

   108 private slots:

   109     void hideShield();

   110 

   111 protected:

   112     bool readSprites();

   113     void wrapSprite( QGraphicsItem * );

   114     void rockHit( AnimatedPixmapItem * );

   115     void reducePower( int val );

   116     void addExhaust( double x, double y, double dx, double dy, int count );

   117     void processMissiles();

   118     void processShip();

   119     void processPowerups();

   120     void processShield();

   121     double randDouble();

   122     int randInt( int range );

   123 

   124     virtual void resizeEvent( QResizeEvent *event );

   125     virtual void timerEvent( QTimerEvent * );

   126 

   127     void showEvent( QShowEvent * );

   128 

   129 private:

   130     QGraphicsScene field;

   131     QGraphicsView view;

   132     QMap<int, QList<QPixmap> > animation;

   133     Q3PtrList<AnimatedPixmapItem> rocks;

   134     Q3PtrList<KMissile> missiles;

   135     Q3PtrList<KBit> bits;

   136     Q3PtrList<KExhaust> exhaust;

   137     Q3PtrList<KPowerup> powerups;

   138     KShield *shield;

   139     AnimatedPixmapItem *ship;

   140     QGraphicsTextItem *textSprite;

   141 

   142     bool rotateL;

   143     bool rotateR;

   144     bool thrustShip;

   145     bool shootShip;

   146     bool teleportShip;

   147     bool brakeShip;

   148     bool pauseShip;

   149     bool shieldOn;

   150 

   151     bool vitalsChanged;

   152 

   153     int  shipAngle;

   154     int  rotateSlow;

   155     int  rotateRate;

   156     int  shipPower;

   157 

   158     int shotsFired;

   159     int shotsHit;

   160     int shootDelay;

   161 

   162     int mBrakeCount;

   163     int mShieldCount;

   164     int mTeleportCount;

   165     int mShootCount;

   166 

   167     double shipDx;

   168     double shipDy;

   169 

   170     int  textDy;

   171     int  mFrameNum;

   172     bool mPaused;

   173     int  mTimerId;

   174 

   175     double rockSpeed;

   176     double powerupSpeed;

   177 

   178     bool can_destroy_powerups;

   179 

   180     QTimer *shieldTimer;

   181     bool initialized;

   182 };

   183 

   184 #endif